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The mean of adult men is 172 pounds with a standard deviation of 29 pounds. ask 20 men thier weight and use excel to calculate the mean. test the hypothesis that the mean is not 172 pounds at the .10 significance level.
The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.0 tickets per day. Find the p..
Will the margin of error for estimating the population proportion change from state to state if an SRS of 4000 tax returns is selected in each state?
Find all similarity classes of 6x6 matrices over Q with minimal polynomial (x+2)^2(x-1) (it suffices to give all lists of invariant factors and write out some of their corresponding matrices).
If the monthly demand for videos on average is 180 and standard deviation = 60, what is the number of videos the manager should order to meet 90% customer demand?
What is the probability that the police will strike and the firefighters will not? What is the probability that the firefighters will strike and the police will not?
Cash back when they make a purchase at a shoe store. or C. an entry into a sweepstakes when they make a purchase. I need to determine the probability of each option.
In particular, discuss whether there is enough information presented in the article to arrive at the same conclusion as reported."
How many waiters and busboys should report for work at the start of each time period to minimize the total staff required for one day's operation.
Supposing that there is no cost of entering the sweepstakes, find the expected value of the amount won for one entry. Determine the expected value if the cost of entering this sweepstakes is the cost of a postage stamp. Is it worth entering the cont..
Testing for a linear correlation. Construct a scatter plot, find the value of the linear correlation coefficient r, and find the critical values of r from the table below using a=0.05.
Construct the sampling distribution of the mean for the random samples of size 2 from the population. Calculate the mean and the standard deviation of the sampling distribution.
The filling weight for boxes of cereal is designed to have a variance .02 ounces or less. A sample of 41 boxes of cereal shows a sample standard deviation of .16 ounces.
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